Granted Patent
Utility
US 5,707,087 · App. 08/635,024
Tube fitting
Inventors:
Ralph G. Ridenour, Dennis W. Kerr
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Apr 19, 1996
Inventors
Ralph G. Ridenour
Dennis W. Kerr
Assignee (at issue)
Universal Enterprises, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.